Restricted growth 36 weeks

Has anyone had experience with restricted growth? My bub was doing fine at my last growth scan around 30 weeks but I had another one at 36 weeks and babies tummy has dropped from 50th to 5th centile

I’ve had some monitoring for reduced movements since the scan and everything seems ok plus an extra scan today checking blood flow from the cord etc again looked ok. The next growth scan is at 38 weeks it just feels so long to wait if something is wrong. Has anyone had any experience with this? Of course I am discussing with my midwife and dr too but interested to hear other people experiences